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Far-UV CD spectra of α-amylase in the presence of cosolvents. Residual molar ellipticity was measured from 200 to 260 nm at 25°C in the absence (a) and presence of 20% (w/v) glycerol (b), sorbitol (c), sucrose (d) and trehalose (e). Each spectrum represents an accumulation of five independent scans.
